1055656560 has 160 divisors (see below), whose sum is σ = 3751759872. Its totient is φ = 240537600.

The previous prime is 1055656559. The next prime is 1055656573. The reversal of 1055656560 is 656565501.

1055656560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055656560² = 2228821545342067200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672897 + ... + 674463.

Almost surely, 2^1055656560 is an apocalyptic number.

1055656560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055656560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1875879936).

1055656560 is an abundant number, since it is smaller than the sum of its proper divisors (2696103312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055656560 is a wasteful number, since it uses less digits than its factorization.

1055656560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991 (or 1985 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 1055656560 is about 32490.8688711152. The cubic root of 1055656560 is about 1018.2182658760.

The spelling of 1055656560 in words is "one billion, fifty-five million, six hundred fifty-six thousand, five hundred sixty".